Constructing Secure Spaces: An Introduction to SCIFs
What are SCIFs?
SCIFs (Sensitive Compartmented Information Facilities) are secure, confidential spaces approved for handling classified information at designated security levels.
Used by government agencies, defense contractors and intelligence organizations, they are spaces where work can be done without risk of unauthorized access or information leakage.
There are three main types of SCIF – permanent, temporary/modular and mobile/deployable – and organizations will use each type depending on their operational needs.
From an interior construction perspective, SCIFs can be among the most demanding environments to work in. Think security-driven architectural systems, where walls, doors, ceilings, and even penetrations are designed to protect classified information from physical, acoustic, and electronic compromise – meaning every detail of design, materials and installation must meet strict security standards.
For interior construction teams, SCIF projects require a shift in mindset: it’s not just about building a functional space, but about delivering a controlled environment where security is engineered into the structure itself.
Why SCIF Construction Is Different
SCIF interiors must meet strict physical and technical security requirements that go beyond typical building codes. ICD (Intelligence Community Directive) 705 is the US standard that governs how SCIFs are designed, constructed, and certified. ICD 705 sets requirements for:
- Acoustic security (EMSEC (Emissions Security) / TEMPEST protection) to prevent sound transmission, electronic eavesdropping and signal leakage – must meet STC (Sound Transmission Class) 45 and STC 50 soundproofing requirements.
- Physical security: Reinforced walls and partitions, secure doors, controlled entry points.
- Controlled access points with strict clearance-based entry systems (badge systems, guards, biometric checks); approved locking systems.
- EM (electromagnetic) & RF (radio frequency) shielding in certain classified environments.
- Secure communications: Approved systems only; no unauthorized devices allowed.
- Sealed penetrations for HVAC, electrical and data systems.
Every component is part of a larger security envelope. Even minor deviations in installation can compromise compliance and de-rail an entire project. That’s why it’s important to plan every single detail of your build to ensure that everything runs smoothly from day one.
The Role of Interior Contractors in SCIF Projects
Interior contractors play a critical role in ensuring SCIF compliance is achieved during construction. Responsibilities often include:
- Coordinating closely with security accreditation authorities to ensure the SCIF build supports ICD 705 requirements at every stage.
- Working within strict inspection and testing protocols.
- Installing certified wall and ceiling systems, tamper-resistant doors, frames and hardware.
- Ensuring all penetrations are properly sealed and documented.
- Maintaining chain-of-custody for specified materials; material selection is tightly controlled in SCIF construction.
- Ensuring material selection meets regulatory standards, particularly where specialized acoustic insulation materials are concerned. Substitutions are rarely permitted, making procurement and coordination a key risk area for contractors.
Planning, Coordination, and Documentation
SCIF construction sits at the intersection of architecture, engineering and national security. For interior contractors, it represents one of the most specialized and high-stakes build environments in the industry.
Delivering a compliant SCIF isn’t just about completing a fit-out, it’s about ensuring every surface, system and detail contributes to a secure, certifiable space; from acoustic ratings like STC 45 and STC 50 to EMSEC considerations and strict adherence to ICD 705.
Success comes down to disciplined execution, coordination and a clear understanding that security isn’t an add-on – it’s built into every layer of the space.
Ready to audit your footprint? Contact the Adform Interiors Team today to discuss how we can bring method and clarity to your next workspace transformation.


